JPH11206466A - Connecting fixtures - Google Patents

Abstract

PROBLEM TO BE SOLVED: To execute fitting by means of one operation by attaining locking to the fitting hole of a top plate through the use of the elastic restoring property of a synthetic resin-made lock paw and, in the meantime, providing a self-locking paw and a guide rail in a planar member. SOLUTION: The fitting hole 6 of the top plate is formed and the fitting hole 5 is formed in a leg part. The guide rail 10 formed in the bottom part of connecting fixtures main body 14 is inserted to the fitting hole 5 formed in the leg part and fixed by insertion while sliding it to the side of a guide hole part 11. In this case, the planar member 16 is produced by a synthetic resin material having elastic restoring force so that it is slid on the upper part of the leg part in a little bending state. Then, the self-locking paw 12 arranged in the end part of the planar member 16 is engaged with a notched hole 13 with narrow width, which is formed in the fitting hole 5 of the leg part and fixed. When the top plate is pushed-up while positioning it, engagement is executed with the fitting hole 6 of the top plate, which is piercingly provided in the reinforcing plate of the top plate, with the occurrence of a little deformation owing to the existence of the notched part which is obtained by notching the wall 15 of the connecting fixtures main body 14 and, then, locking and connection are executed. Thus, fixing connection is attained without any necessity of screwing, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting device for connecting two members, for example, a connecting device which does not require a tool such as a screwdriver used for connecting a tabletop of a desk to a leg or a sleeve cabinet. It is about tools.

[0002]

2. Description of the Related Art Conventionally, a stopper hole is formed on one connecting surface side of a top plate or a leg, and an opening and an inclined surface continuous with at least a pair of rims of the opening are formed on the other connecting surface side. The engaging protrusion of the connecting member integrally formed of synthetic resin is fitted and locked in the stop hole, and a locking claw having elastic resilience protruding from the side of the connecting member is provided on the edge of the opening. A connecting device for a top plate and a leg portion which are locked and connected to each other, wherein the connecting tool protrudes a positioning portion having a taper to be joined to the inclined surface on both sides of a hollow body portion, The upper and lower ends of the body are formed with the engaging projections, and one side of the body is formed with an elastic piece, and the locking claws are protruded outward of the distal end thereof. Do not stop the elastic piece with the stopper formed on the body so that the elastic piece does not deform inward beyond the yield point. Coupling device between the top plate and the leg (JP-7
-23819).

[0003]

In the conventional connection device between the top plate and the leg, the lower side is opened to release the locking claw. If the lower side is not opened, it will not be deformed, so that the lock cannot be released. Moreover, a saw tooth portion is formed on the locking claw, and the inclined surface of the leg portion is locked by the saw tooth portion. The function does not function without such a complicated structure. There was a problem that the mold was complicated.

The present invention has been made in view of these circumstances and can be obtained by a simple structure. A reinforcing wall is provided at the center of a rectangular tubular main body without opening a lower side, and a portion of a locking claw is synthesized. When pressed down by utilizing the elastic resilience of the resin, it can be temporarily deformed and locked in the mounting hole formed in one of the members. It is an object of the present invention to obtain a connecting tool for connecting two members provided with a guide hole and a guide rail.

[0005]

In order to solve the above-mentioned problems, the present invention employs the following technical means. According to the first aspect of the present invention, in a synthetic resin connecting tool for connecting between two members by using an attachment hole formed in both members, a wall is provided at the center of a main body having a rectangular cross section. Provided on the outer side of the rectangular cylindrical main body is a locking claw that engages with a mounting hole formed in one member, and further formed on a plate member extending one side of the rectangular cylindrical main body and formed on the other member. A technical means of providing a detent claw that engages with the mounting hole, and a guide hole and a guide rail for removal is employed.

According to the second aspect of the present invention, in a connecting tool for connecting a top plate of a desk and a leg or a sleeve cabinet, a mounting hole is formed in a reinforcing bent piece on the top plate side, and a leg or a leg is provided. A mounting hole having a guide hole for inserting a coupling tool into the sleeve cabinet is formed, and a wall is formed in the center of the main body having a rectangular tubular cross section connecting the top plate and the leg or the sleeve cabinet. Provided on the outside of the main body of the rectangular cylindrical body is provided with a locking claw that engages with the mounting hole formed in the top plate.Furthermore, on a plate member extending one side of the main body of the rectangular cylindrical body, on the leg or sleeve cabinet Technical means of providing a detent claw engaging with the formed mounting hole, a guide hole for removal, and a guide rail are employed.

[0007]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a perspective view for explaining the connection between the top plate and the legs in the desk according to the first embodiment of the present invention, and FIG. 2 is a perspective view showing the connecting tool of the present invention. FIG. 3 is a sectional view showing a connected state.

According to the present invention, in connecting and assembling the two members, a special connecting tool is employed, so that the two members can be easily connected and assembled without using a screw without using a tool.

[0009] Steel desks such as office desks and learning desks are each mass-produced with a top plate, legs, sleeves, curtain plates, etc., and assembled by screwing them together on a factory assembly line to obtain a final finished product. They are packaged and shipped, or the finished product is disassembled into main parts and shipped, stocked by each sales agent, and assembled at the point of sale. Therefore, it is necessary to provide a line for the assembly in a factory or to assemble in a sales agent, a customer's office, or the like. No. In order to solve this inconvenience, there is a connecting device that does not require screwing as described in the section of the related art, but there is a problem with the related art.

[0010] The connector of the present invention solves this problem. A specific embodiment of connecting the connecting tool of the present invention to a desk top plate and a leg or sleeve cabinet will be described in detail with reference to FIGS.

FIG. 1 is a perspective view showing a steel desk 1 assembled by using a connecting tool for connecting a top plate of the present invention to a leg and a sleeve cabinet. leg,
4 shows a sleeve cabinet having a plurality of drawers. FIG. 2 shows a mounting hole 5 in the leg 3 or the sleeve cabinet 4,
FIG. 3 is a perspective view showing a state in which the connecting member 7 is attached to the mounting hole 6 of the top plate formed in the reinforcing plate 8 of the top plate. FIG. I have. The present invention is applicable to various articles as long as they are assembled articles connecting two members.

Here, as a specific embodiment of the present invention, connection between the top plate 2 and the leg 3 of the steel desk 1 will be described in detail. When the top plate 2 and the leg 3 are connected on the connection surface side, the top plate mounting hole 6 is formed in the top plate reinforcing plate 8, and the mounting hole 5 is formed in the leg 3. In this embodiment, the mounting hole 6 of the top plate in which the locking claw 9 of the connecting tool 7 can be locked on the reinforcing plate 8 formed around the top plate 2.
Is formed, and a mounting hole 5 for mounting the connecting tool 7 is formed in a connecting surface of the leg 3 with the top plate 2.

The mounting hole 5 has a narrow guide hole 11 formed on the bottom surface of the connecting member 7 for guiding the guide rail 10 and a detent claw 12 also formed on the bottom surface of the connecting member 7. And a notch hole 13 having a narrow width to be engaged.

Next, the connector 7 will be described in detail with reference to FIGS. It is a one-piece molded body made of synthetic resin, the shape of which is a coupler body 14 in a state where the cross section is a rectangular tube and it is lying down.
A reinforcing wall 15 is formed at the center of the connecting member body 14,
This wall 15 forms a notch 18 so that a part of the side of the locking claw 9 attached to the top plate 2 is cut out, and furthermore, the locking claw 9 is provided on one of the outer sides of the connector body 14. .

Also, a plate member 16 is integrally formed by extending one side (corresponding to a bottom side in this embodiment) of the rectangular tubular connecting member main body 14, and this plate member 16 can utilize elastic restoring force. To Further, a detent claw 12 is formed at an end of the plate member 16, and a guide hole 17 for removal can be inserted in front of the detent claw 12 with a distal end portion of a rod-shaped member, for example, a screwdriver, so that the guide hole 17 can be engaged without penetrating. Drill a hole large enough to stop. The guide rail 10 is formed at the bottom of the rectangular coupling body 14.

Here, the connection between the top plate 2 and the legs 3 of the steel desk 1 will be specifically described. The guide rail 10 formed at the bottom of the connector body 14 is inserted into the mounting hole 5 formed in the leg 3 and is inserted and fixed while sliding toward the guide hole 11 (at this time, the plate member 16 has an elastic restoring force). The upper part of the leg 3 is slid in a slightly bent state because it is made of a material having a certain shape). Then, the detent claw 12 provided at the end of the plate member 16 is engaged with and fixed to the narrow notch hole 13 formed in the mounting hole 5 of the leg 3.

As described above, when the connecting member 7 is attached to the leg 3, the top plate 2 is pressed down from above while aligning the top plate 2, and the notch in which the wall 15 of the connecting member body 14 is cut is formed. Due to the presence of the portion 18, it can be engaged with the mounting hole 6 of the top plate formed in the reinforcing plate 8 of the top plate 2 while being slightly deformed, locked and connected. In this way, it can be connected and fixed without any need such as screwing.

In order to fit the mounting hole 6 of the top plate,
Provision of the guide 19 as shown in FIG. 2 enables easy alignment. Furthermore, when the product strength is particularly required, the connecting tool 7 is provided before and after the top plate 2 against the force in the front-back direction.
There is no gap because is attached. There is no displacement due to the vertical force due to the locking between the mounting holes 6 of the top plate before and after the top plate 2 and the locking claws 9 of the connecting tool 7. Also, with respect to the force in the left-right direction, if there is a strong backlash between the mounting hole 6 of the top plate and the left and right of the locking claw 9, the guide 19 may indicate that there is a possibility that the mounting hole 6 and the locking claw 9 may be loosened from the mounting hole 6 of the top plate. It can be prevented by guiding.

Further, it is preferable that the guides 19 are provided at four positions in the portion A in FIG. In addition, four or more portions may be provided including part B. The groove 20 shown in FIGS. 2 and 3 may be omitted, but if the groove 20 is formed, the stress on the locking claw 9 can be dispersed.

Next, the removal of the connecting member 7 will be described with reference to FIG. Stupid hole 21 drilled in the bottom of leg 3
A more rod-shaped member, such as a screwdriver, is inserted into the guide hole 17 formed in the plate member 16 of the connector body 14, and the plate member 16 is lifted up and removed from the plate thickness of the leg 3 to remove the driver. It can be released by shifting the connecting member 7 so as to shift it sideways.

The guide hole 17 for this removal is provided.
Instead, a rod-shaped member, such as a concave portion or a convex portion, can perform the same function as long as it can be shifted by a driver or the like.

[0022]

According to the present invention, as a result of employing the above configuration,
The following effects can be obtained. (1) It can be attached and connected with one touch, and can be knocked down. (2) It is possible to integrally mold with synthetic resin, which leads to reduction of parts, stability of quality, and cost reduction. (3) It is easy to remove and can be rearranged.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing a state in which a top plate and legs of a desk are removed according to a first embodiment of the present invention.

FIG. 2 is a schematic perspective view showing a connector for connecting a top plate and a leg of the desk in the first embodiment of the present invention.

FIG. 3 is a cross-sectional view showing a state in which a top plate and legs of the desk are connected by a connecting tool in the first embodiment of the present invention.

[Explanation of symbols]

1) Steel desk 2) Top plate 3) Legs 4) Sleeve cabinet 5) Mounting hole 6) Mounting hole for top plate 7) Connecting tool 8] Reinforcement plate 9] Locking claw 10 guide rail 11 guide hole 12 detent claw 13 cutout hole 14 connector body 15 wall 16 plate member 17 guide hole 18 cutout 19 ‥‥ guide 20 ‥‥ groove 21 ‥‥ stupid hole

Claims (2)

[Claims] 1. A synthetic resin connecting tool for connecting two members by using mounting holes formed in both members, wherein a wall is provided at the center of a main body having a cross-sectional shape of a square tube. On the outer side of the main body, a locking claw that engages with the mounting hole formed in one member is provided, and further, on a plate member extending one side of the rectangular cylindrical main body, and on the mounting hole formed in the other member. A coupling tool provided with a detent claw to be engaged, a guide hole for removal, and a guide rail. 2. A connecting tool for connecting a top plate of a desk to a leg or a sleeve cabinet, wherein a mounting hole is formed in a reinforcing bent piece on the top plate side, and the connecting tool is connected to the leg or the sleeve cabinet. A mounting hole having a guide hole for insertion is provided, and a wall is provided in the center of a main body having a rectangular cross section connecting the top plate and a leg or a sleeve cabinet. A locking claw that engages with a mounting hole formed in the top plate is provided on the outer side, and further, a plate member extending one side of the rectangular cylindrical main body is engaged with a mounting hole formed in a leg or a sleeve cabinet. A detent claw, a guide hole and a guide rail for removal, and a connection tool for connecting a desk top plate and a leg or sleeve cabinet.